#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; i++)
using namespace std;

typedef long long ll;

int main() {
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    ll D = (a - c) * (a - c) - 8 * (b - d);
    if (D < 0) {
        cout << "No\n";
    } else if (D == 0) {
        cout << "Yes\n";
    } else {
        double x1 = (c - a - sqrt(1.0 * D)) / 4;
        double x2 = (c - a + sqrt(1.0 * D)) / 4;
        double y1 = x1 * x1 + a * x1 + b;
        double y2 = x2 * x2 + a * x2 + b;
        double p = (y2 - y1) / (x2 - x1);
        double q = y1 - p * x1;
        cout << fixed << setprecision(20) << p << " " << q << "\n";
    }
}